apisix/t/plugin/traffic-split5.t

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#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
use t::APISIX 'no_plan';
repeat_each(1);
log_level('info');
no_root_location();
no_shuffle();
add_block_preprocessor(sub {
my ($block) = @_;
if (!$block->request) {
$block->set_value("request", "GET /t");
}
if (!$block->error_log && !$block->no_error_log) {
$block->set_value("no_error_log", "[error]");
}
my $http_config = $block->http_config // <<_EOC_;
# fake server, only for test
server {
listen 1970;
location / {
content_by_lua_block {
ngx.say(1970)
}
}
}
server {
listen 1971;
location / {
content_by_lua_block {
ngx.say(1971)
}
}
}
server {
listen 1972;
location / {
content_by_lua_block {
ngx.say(1972)
}
}
}
server {
listen 1973;
location / {
content_by_lua_block {
ngx.say(1973)
}
}
}
server {
listen 1974;
location / {
content_by_lua_block {
ngx.say(1974)
}
}
}
_EOC_
$block->set_value("http_config", $http_config);
});
run_tests();
__DATA__
=== TEST 1: set upstream(multiple rules, multiple nodes under each weighted_upstreams) and add route
--- config
location /t {
content_by_lua_block {
local json = require("toolkit.json")
local t = require("lib.test_admin").test
local data = {
uri = "/hello",
plugins = {
["traffic-split"] = {
rules = {
{
match = { {
vars = { { "arg_id", "==", "1" } }
} },
weighted_upstreams = {
{
upstream = {
name = "upstream_A",
type = "roundrobin",
nodes = {
["127.0.0.1:1970"] = 1,
["127.0.0.1:1971"] = 1
}
},
weight = 1
}
}
},
{
match = { {
vars = { { "arg_id", "==", "2" } }
} },
weighted_upstreams = {
{
upstream = {
name = "upstream_B",
type = "roundrobin",
nodes = {
["127.0.0.1:1972"] = 1,
["127.0.0.1:1973"] = 1
}
},
weight = 1
}
}
}
}
}
},
upstream = {
type = "roundrobin",
nodes = {
["127.0.0.1:1974"] = 1
}
}
}
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
json.encode(data)
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 2: hit different weighted_upstreams by rules
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local httpc = http.new()
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local res, err = httpc:request_uri(uri)
local port = tonumber(res.body)
if port ~= 1974 then
ngx.status = ngx.HTTP_INTERNAL_SERVER_ERROR
ngx.say("failed while no arg_id")
return
end
uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello?id=1"
res, err = httpc:request_uri(uri)
port = tonumber(res.body)
if port ~= 1970 and port ~= 1971 then
ngx.status = ngx.HTTP_INTERNAL_SERVER_ERROR
ngx.say("failed while arg_id = 1")
return
end
uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello?id=2"
res, err = httpc:request_uri(uri)
port = tonumber(res.body)
if port ~= 1972 and port ~= 1973 then
ngx.status = ngx.HTTP_INTERNAL_SERVER_ERROR
ngx.say("failed while arg_id = 2")
return
end
ngx.say("passed")
}
}
--- response_body
passed
=== TEST 3: set upstream(multiple rules, multiple nodes with different weight under each weighted_upstreams) and add route
--- config
location /t {
content_by_lua_block {
local json = require("toolkit.json")
local t = require("lib.test_admin").test
local data = {
uri = "/hello",
plugins = {
["traffic-split"] = {
rules = {
{
match = { {
vars = { { "arg_id", "==", "1" } }
} },
weighted_upstreams = {
{
upstream = {
name = "upstream_A",
type = "roundrobin",
nodes = {
["127.0.0.1:1970"] = 2,
["127.0.0.1:1971"] = 1
}
},
weight = 1
}
}
},
{
match = { {
vars = { { "arg_id", "==", "2" } }
} },
weighted_upstreams = {
{
upstream = {
name = "upstream_B",
type = "roundrobin",
nodes = {
["127.0.0.1:1972"] = 2,
["127.0.0.1:1973"] = 1
}
},
weight = 1
}
}
}
}
}
},
upstream = {
type = "roundrobin",
nodes = {
["127.0.0.1:1974"] = 1
}
}
}
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
json.encode(data)
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 4: pick different nodes by weight
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local httpc = http.new()
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello?id=1"
local ports = {}
local res, err
for i = 1, 3 do
res, err = httpc:request_uri(uri)
local port = tonumber(res.body)
ports[i] = port
end
table.sort(ports)
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello?id=2"
for i = 4, 6 do
res, err = httpc:request_uri(uri)
local port = tonumber(res.body)
ports[i] = port
end
table.sort(ports)
ngx.say(table.concat(ports, ", "))
}
}
--- response_body
1970, 1970, 1971, 1972, 1972, 1973